Which is not an example of labor

How should janet respond to her mother's criticism in the following scenario? janet got a c in science on her report card. her mother is not happy about this and wants janet to study harder and bring her grade up. janet was studying hard, but she didn't understand the concepts very well, and her science teacher is also the football coach and didn't have much extra time to her. janet should 1.agree to study harder and just keep trying to do her best 2.say nothing 3.argue that it wasn't her fault and say that the teacher was too busy to her 4.explain that she didn't understand the concepts and tell her mother about her teacher's time constraints

There were 395 lemon ice cups at the snack shop.people bought 177 ice cups how many lemon ice cups are still at the snack shop

What would be the mass of an atom with 8 protons and 8 neutrons? a) 16 amu b) 8 amu c) 64 amu